509 Altitude 2.0 Helmet

Reinvented to ride even harder, the second generation of the bestselling 509 Altitude series unleashes a whole new animal. Lighter, stronger, and even more comfortable thanks to a new hand lay-up fiberglass construction, the 509 Altitude 2.0 Helmet excels in any terrain or condition. Includes the Fidlock magnetic strap buckle for easy one-handed operation, plus customizable features like a removable Pro-Series Breathbox to get you through a full season of extremes.

• Hand lay-up fiberglass composite construction for stronger, lighterweight, and better fit construction
• DOT/ECE certified in USA. ECE available in Canada and Europe
• One piece eye port trim
• XS to 4X sizes available in three shells for optimal fit and minimal weight
• Upper vents with on/off shutter closure for airflow control
• Fidlock chinstrap strap closure for easy in and out
• Go-Pro mounting capability, improved design
• Perfect fit between helmet eyeport and 509 goggles
• Pro-Series Breathbox for complete protection, removeable for great air flow

• Weight: As low as 1200 grams for DOT/ECE

Orders $39 and over qualify for free standard shipping via Ground (UPS, FedEx, USPS) to the contiguous 48 US states. Shipping will be calculated for orders to Alaska, Hawaii, and U.S. Territories including Puerto Rico, Guam, and U.S. Virgin Islands.

P.O. Box Shipping. If you list a PO Box and select free shipping, please add a customer note with your order including a physical shipping address. We will ship to a PO Box if the shipping is comparable to other carriers. Otherwise we may need to ship to physical address or charge additional shipping fees.

Learn about additional details and restrictions by reading our full Shipping Policy

If your order arrives and it is not right, we’ll fix it…period. Doesn't fit or you're simply not happy with your item? Return any new, unused and unaltered item within 30 days of delivery of your item. Learn about additional details and restrictions by reading our full return policy.